#3577C2#3577C2

#3577C2 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.4% C 0.134 H 253.7°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3577C2
RGB	rgb(53, 119, 194)
HSL	hsl(212, 57%, 48%)
HSV	hsv(212, 73%, 76%)
CMYK	cmyk(72.7%, 38.7%, 0%, 23.9%)
CIE-LAB	lab(49.31, 4.57, -45.26)
CIE-LCH	lch(49.31, 45.49, 275.76°)
OKLab	oklab(56.37% -0.0377 -0.129)
OKLCH	oklch(56.37% 0.134 253.7)
XYZ	xyz(17.7990, 17.8436, 53.5346)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3577C2 #C28035

analogous

#35BDC2 #3577C2 #3935C2

triadic

#3577C2 #C23577 #77C235

tetradic

#3577C2 #C235BD #C28035 #35C239

square

#3577C2 #C235BD #C28035 #35C239

split-complementary

#3577C2 #C23935 #BDC235

monochromatic

#1B3C62 #285A92 #3577C2 #6096D4 #91B6E1

Accessibility & contrast

On white

4.60

#3577C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#3577C2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3577C2

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3577C2	#FFFFFF	#000000	##FFFFFF
##3577C2	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547CC5

Deuteranopia (green-blind)

#3E6FC1

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3577c2;
/* rgb */ color: rgb(53, 119, 194);
/* oklch */ color: oklch(56.4% 0.134 253.7);

Tailwind

colors: {
  custom: {
    50: '#7e9dd5',
    500: '#3577c2',
    950: '#000000',
  },
}

SCSS

$custom: #3577c2;
$custom-light: #7e9dd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3577c2",
  "rgb": {
    "r": 53,
    "g": 119,
    "b": 194
  },
  "hsl": {
    "h": 211.915,
    "s": 57.085,
    "l": 48.431
  },
  "oklch": {
    "l": 0.56373,
    "c": 0.1344,
    "h": 253.7
  },
  "luminance": 0.17846
}

Semantic roles & 50–950 ramp

primary

#3577C2

secondary

#CCAC87

accent

#9947E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3577C2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →